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path: root/drivers/net/wireless/rt2x00/rt2500usb.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2500usb.c135
1 files changed, 67 insertions, 68 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index d19bee43861d..639d5a2f84e2 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -245,43 +245,48 @@ rf_write:
245} 245}
246 246
247#ifdef CONFIG_RT2X00_LIB_DEBUGFS 247#ifdef CONFIG_RT2X00_LIB_DEBUGFS
248#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u16)) ) 248static void _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
249 249 const unsigned int offset,
250static void rt2500usb_read_csr(struct rt2x00_dev *rt2x00dev, 250 u32 *value)
251 const unsigned int word, u32 *data)
252{ 251{
253 rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data); 252 rt2500usb_register_read(rt2x00dev, offset, (u16 *)value);
254} 253}
255 254
256static void rt2500usb_write_csr(struct rt2x00_dev *rt2x00dev, 255static void _rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
257 const unsigned int word, u32 data) 256 const unsigned int offset,
257 u32 value)
258{ 258{
259 rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data); 259 rt2500usb_register_write(rt2x00dev, offset, value);
260} 260}
261 261
262static const struct rt2x00debug rt2500usb_rt2x00debug = { 262static const struct rt2x00debug rt2500usb_rt2x00debug = {
263 .owner = THIS_MODULE, 263 .owner = THIS_MODULE,
264 .csr = { 264 .csr = {
265 .read = rt2500usb_read_csr, 265 .read = _rt2500usb_register_read,
266 .write = rt2500usb_write_csr, 266 .write = _rt2500usb_register_write,
267 .flags = RT2X00DEBUGFS_OFFSET,
268 .word_base = CSR_REG_BASE,
267 .word_size = sizeof(u16), 269 .word_size = sizeof(u16),
268 .word_count = CSR_REG_SIZE / sizeof(u16), 270 .word_count = CSR_REG_SIZE / sizeof(u16),
269 }, 271 },
270 .eeprom = { 272 .eeprom = {
271 .read = rt2x00_eeprom_read, 273 .read = rt2x00_eeprom_read,
272 .write = rt2x00_eeprom_write, 274 .write = rt2x00_eeprom_write,
275 .word_base = EEPROM_BASE,
273 .word_size = sizeof(u16), 276 .word_size = sizeof(u16),
274 .word_count = EEPROM_SIZE / sizeof(u16), 277 .word_count = EEPROM_SIZE / sizeof(u16),
275 }, 278 },
276 .bbp = { 279 .bbp = {
277 .read = rt2500usb_bbp_read, 280 .read = rt2500usb_bbp_read,
278 .write = rt2500usb_bbp_write, 281 .write = rt2500usb_bbp_write,
282 .word_base = BBP_BASE,
279 .word_size = sizeof(u8), 283 .word_size = sizeof(u8),
280 .word_count = BBP_SIZE / sizeof(u8), 284 .word_count = BBP_SIZE / sizeof(u8),
281 }, 285 },
282 .rf = { 286 .rf = {
283 .read = rt2x00_rf_read, 287 .read = rt2x00_rf_read,
284 .write = rt2500usb_rf_write, 288 .write = rt2500usb_rf_write,
289 .word_base = RF_BASE,
285 .word_size = sizeof(u32), 290 .word_size = sizeof(u32),
286 .word_count = RF_SIZE / sizeof(u32), 291 .word_count = RF_SIZE / sizeof(u32),
287 }, 292 },
@@ -423,57 +428,16 @@ static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
423 rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE, 428 rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
424 !!erp->short_preamble); 429 !!erp->short_preamble);
425 rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg); 430 rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
426}
427
428static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
429 const int basic_rate_mask)
430{
431 rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask);
432}
433 431
434static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev, 432 rt2500usb_register_write(rt2x00dev, TXRX_CSR11, erp->basic_rates);
435 struct rf_channel *rf, const int txpower)
436{
437 /*
438 * Set TXpower.
439 */
440 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
441 433
442 /* 434 rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time);
443 * For RT2525E we should first set the channel to half band higher. 435 rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs);
444 */ 436 rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs);
445 if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
446 static const u32 vals[] = {
447 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
448 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
449 0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
450 0x00000902, 0x00000906
451 };
452
453 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
454 if (rf->rf4)
455 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
456 }
457
458 rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
459 rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
460 rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
461 if (rf->rf4)
462 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
463}
464
465static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
466 const int txpower)
467{
468 u32 rf3;
469
470 rt2x00_rf_read(rt2x00dev, 3, &rf3);
471 rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
472 rt2500usb_rf_write(rt2x00dev, 3, rf3);
473} 437}
474 438
475static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev, 439static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev,
476 struct antenna_setup *ant) 440 struct antenna_setup *ant)
477{ 441{
478 u8 r2; 442 u8 r2;
479 u8 r14; 443 u8 r14;
@@ -555,15 +519,52 @@ static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
555 rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6); 519 rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
556} 520}
557 521
522static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
523 struct rf_channel *rf, const int txpower)
524{
525 /*
526 * Set TXpower.
527 */
528 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
529
530 /*
531 * For RT2525E we should first set the channel to half band higher.
532 */
533 if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
534 static const u32 vals[] = {
535 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
536 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
537 0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
538 0x00000902, 0x00000906
539 };
540
541 rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
542 if (rf->rf4)
543 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
544 }
545
546 rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
547 rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
548 rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
549 if (rf->rf4)
550 rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
551}
552
553static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
554 const int txpower)
555{
556 u32 rf3;
557
558 rt2x00_rf_read(rt2x00dev, 3, &rf3);
559 rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
560 rt2500usb_rf_write(rt2x00dev, 3, rf3);
561}
562
558static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev, 563static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev,
559 struct rt2x00lib_conf *libconf) 564 struct rt2x00lib_conf *libconf)
560{ 565{
561 u16 reg; 566 u16 reg;
562 567
563 rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time);
564 rt2500usb_register_write(rt2x00dev, MAC_CSR11, libconf->sifs);
565 rt2500usb_register_write(rt2x00dev, MAC_CSR12, libconf->eifs);
566
567 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg); 568 rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
568 rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL, 569 rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
569 libconf->conf->beacon_int * 4); 570 libconf->conf->beacon_int * 4);
@@ -574,17 +575,14 @@ static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
574 struct rt2x00lib_conf *libconf, 575 struct rt2x00lib_conf *libconf,
575 const unsigned int flags) 576 const unsigned int flags)
576{ 577{
577 if (flags & CONFIG_UPDATE_PHYMODE) 578 if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
578 rt2500usb_config_phymode(rt2x00dev, libconf->basic_rates);
579 if (flags & CONFIG_UPDATE_CHANNEL)
580 rt2500usb_config_channel(rt2x00dev, &libconf->rf, 579 rt2500usb_config_channel(rt2x00dev, &libconf->rf,
581 libconf->conf->power_level); 580 libconf->conf->power_level);
582 if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL)) 581 if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
582 !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
583 rt2500usb_config_txpower(rt2x00dev, 583 rt2500usb_config_txpower(rt2x00dev,
584 libconf->conf->power_level); 584 libconf->conf->power_level);
585 if (flags & CONFIG_UPDATE_ANTENNA) 585 if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
586 rt2500usb_config_antenna(rt2x00dev, &libconf->ant);
587 if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
588 rt2500usb_config_duration(rt2x00dev, libconf); 586 rt2500usb_config_duration(rt2x00dev, libconf);
589} 587}
590 588
@@ -1794,6 +1792,7 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
1794 .config_filter = rt2500usb_config_filter, 1792 .config_filter = rt2500usb_config_filter,
1795 .config_intf = rt2500usb_config_intf, 1793 .config_intf = rt2500usb_config_intf,
1796 .config_erp = rt2500usb_config_erp, 1794 .config_erp = rt2500usb_config_erp,
1795 .config_ant = rt2500usb_config_ant,
1797 .config = rt2500usb_config, 1796 .config = rt2500usb_config,
1798}; 1797};
1799 1798